Open Source Alternatives to Resend
An email platform for developers that enables sending transactional and marketing messages via APIs, SDKs, and SMTP, providing analytics, contact management, and deliverability tools.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Resend give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 2 open source alternatives to Resend. The most popular are Plunk and useSend. Most use the AGPL-3.0 license, and 2 offer an official Docker image.
Plunk
A self-hosted email platform for sending transactional messages, managing marketing campaigns, and automating communication workflows.
useSend
An open source sending infrastructure for managing transactional emails, marketing newsletters, and contact subscriptions via Amazon SES.
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